Nail polisher



FIG. 1 is a front elevational view of a nail polisher showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a perspective view of a nail polisher showing my new design; and,

FIG. 8 is another perspective view thereof.

The broken lines in the figures are for the purposes of illustrating portions of the nail polisher, which form no part of the claimed design. 

CLAIM The ornamental design for a nail polisher, as shown and described. 